18251970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 34002750

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 41, 55, 57, 66, 71, 82, 95, 110, 114, 123, 142, 165, 190, 205, 209, 213, 246, 285, 330, 355, 410, 418, 426, 451, 570, 615, 627, 710, 779, 781, 902, 1045, 1065, 1230, 1254, 1349, 1353, 1558, 1562, 2090, 2130, 2255, 2337, 2343, 2698, 2706, 2911, 3135, 3895, 3905, 4047, 4510, 4674, 4686, 5822, 6270, 6745, 6765, 7790, 7810, 8094, 8569, 8733, 11685, 11715, 13490, 13530, 14555, 14839, 17138, 17466, 20235, 23370, 23430, 25707, 29110, 29678, 32021, 40470, 42845, 43665, 44517, 51414, 55309, 64042, 74195, 85690, 87330, 89034, 96063, 110618, 128535, 148390, 160105, 165927, 192126, 222585, 257070, 276545, 320210, 331854, 445170, 480315, 553090, 608399, 829635, 960630, 1216798, 1659270, 1825197, 3041995, 3650394, 6083990, 9125985, 18251970]

約数ペア:

[(1, 18251970), (2, 9125985), (3, 6083990), (5, 3650394), (6, 3041995), (10, 1825197), (11, 1659270), (15, 1216798), (19, 960630), (22, 829635), (30, 608399), (33, 553090), (38, 480315), (41, 445170), (55, 331854), (57, 320210), (66, 276545), (71, 257070), (82, 222585), (95, 192126), (110, 165927), (114, 160105), (123, 148390), (142, 128535), (165, 110618), (190, 96063), (205, 89034), (209, 87330), (213, 85690), (246, 74195), (285, 64042), (330, 55309), (355, 51414), (410, 44517), (418, 43665), (426, 42845), (451, 40470), (570, 32021), (615, 29678), (627, 29110), (710, 25707), (779, 23430), (781, 23370), (902, 20235), (1045, 17466), (1065, 17138), (1230, 14839), (1254, 14555), (1349, 13530), (1353, 13490), (1558, 11715), (1562, 11685), (2090, 8733), (2130, 8569), (2255, 8094), (2337, 7810), (2343, 7790), (2698, 6765), (2706, 6745), (2911, 6270), (3135, 5822), (3895, 4686), (3905, 4674), (4047, 4510)]